#define random rand
#define srandom srand
-#ifndef S_IRUSR
-#define S_IRUSR _S_IREAD
-#define S_IWUSR _S_IWRITE
-#define S_IXUSR _S_IEXEC
-#define S_IRWXU S_IRUSR | S_IWUSR | S_IXUSR
-#endif
-#ifndef S_IRGRP
-#define S_IRGRP 0
-#define S_IWGRP 0
-#define S_IXGRP 0
-#define S_IRWXG S_IRGRP | S_IWGRP | S_IXGRP
-#endif
-#ifndef S_IROTH
-#define S_IROTH 0
-#define S_IWOTH 0
-#define S_IXOTH 0
-#define S_IRWXO S_IROTH | S_IWOTH | S_IXOTH
-#endif
#endif /* _WIN32 */
#ifndef S_IRWUG